Inventor

ZHAO WENJIANG

CN4 patents

⚠️ This page may combine multiple inventors who share the name “ZHAO WENJIANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DELTA ELECTRONICS SHANGHAI CO

2 patents

US10122474B1Nov 6, 2018

Communication system for cascade type power conversion device

DELTA ELECTRONICS SHANGHAI CO4 citations68

US10797630B2Oct 6, 2020

Method of modulating cascaded three-phase VFD

DELTA ELECTRONICS SHANGHAI CO0 citations39

WUXI INFIMOTION TECH CO LTD

1 patent

US12398817B2Aug 26, 2025

Hydraulic control valve, hydraulic control system, and transmission

WUXI INFIMOTION TECH CO LTD0 citations42

DELTA ELECTRONICS INC

1 patent

US10574134B1Feb 25, 2020

Three-phase frequency converter, and dead zone compensation circuit and dead zone compensation method for the same

DELTA ELECTRONICS INC0 citations39